rust/tests/ui/methods/method-self-arg-1.rs

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// Test method calls with self as an argument cannot subvert type checking.
struct Foo;
impl Foo {
fn bar(&self) {}
}
fn main() {
let x = Foo;
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Foo::bar(x); //~ ERROR mismatched types
//~| expected `&Foo`, found `Foo`
Foo::bar(&42); //~ ERROR mismatched types
//~| expected `&Foo`, found `&{integer}`
//~| expected reference `&Foo`
//~| found reference `&{integer}`
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}